Kanata Kara

On her way home from school one day, Noriko is unexpectedly plunged into a strange and extraordinary fantasy world. Her troubles compound exponentially when she is rescued and befriended by a handsome young man by the name of Izark. He may be brave and courageous, but inside Izark lurks the darkest evil imaginable. And according to an ancient prophecy, Noriko possesses the power to unleash that evil. Now, inexorably bound together, these two unlikely allies must navigate a world both wondrous and hostile.
(Source: Viz)